<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>1_验证diffing算法</title>
    <script
      crossorigin
      src="https://unpkg.com/react@18/umd/react.development.js"
    ></script>
    <script
      crossorigin
      src="https://unpkg.com/react-dom@18/umd/react-dom.development.js"
    ></script>
    <script src="../React-js//babel.min.js"></script>
  </head>
  <body>
    <div id="root"></div>

    <script type="text/babel">
      class Time extends React.Component {
        state = { date: new Date() };

        componentDidMount() {
          setInterval(() => {
            this.setState({ date: new Date() });
          }, 1000);
        }

        render() {
          return (
            <div>
              <h1>Hello</h1>
              <input type="text" />
              <span>
                现在是：
                {this.state.date.toLocaleString('zh-cn', {
                  dateStyle: 'full',
                  timeStyle: 'medium',
                })}
                <input type="text" />
              </span>
            </div>
          );
        }
      }

      const root = ReactDOM.createRoot(document.getElementById('root'));

      root.render(<Time />);
    </script>
  </body>
</html>
